Created in partnership with AAMVA, the Official CDL Test Prep has everything you need to pass your Commercial Drivers License (CDL) test the first time! With over 600 exam-like questions, lifetime access to the complete CDL Manual, and dozens of test-taking strategies, CDL Test Prep helps you get the score you need. Spanning every stage of a CDL professional's career, from pre-licensing and your initial license to driving combinations, hazardous materials, school buses, and more, CDL Test Prep